0, 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1;
1, 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1;
2, 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1;
